Unit converters
546 unit converters: length, weight, temperature, volume, speed, pressure, energy, data and cooking measures. Type a value, pick the units and get an exact result with the conversion factor shown, free in your browser.
Hours to days converter
48 hours are 2 days and 36 hours are 1.5 days: the hour count is divided by 24, the civil day, never by an 8-hour workday.
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Hours to minutes converter
2.5 hours are 150 minutes and 1.75 hours are 105 minutes: the hours are multiplied by exactly 60. Turn a timesheet entry, a recipe step, a meeting block or a…
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Hours to seconds converter
One hour is exactly 3600 seconds, 60 minutes of 60 seconds each, so 2 hours are 7200 seconds. Turn a duration in hours into the seconds a timeout, a schedule or…
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Hours to years converter
Divide any hour total by 8,760 and read it as years: 8,760 hours is exactly one year and 17,520 hours is two.
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Imperial converter
2.54 cm is exactly 1 inch: take a metric length or weight and read the inches, feet, yards, miles, ounces, pounds, stones or long tons printed on drawings…
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In to cm converter
1 in is exactly 2.54 cm: type the inch figure from a drawing, a US listing or a cut list and get centimetres with the exact international factor, not the 2.5…
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Inch converter
12 inches is exactly 1 foot and 1 inch is 2.54 cm: one form that starts in inches and lets you pick feet, yards, centimetres, millimetres or metres for…
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Inch-lbs to newton-meters converter
1 inch-pound is 0.11298482902761668 N·m: turn the in-lb torque on a North American wrench, a bicycle spec or an electronics assembly chart into the…
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Inch-pounds to foot-pounds converter
12 inch-pounds is exactly 1 foot-pound: turn an in-lb reading from a small-fastener chart or a click wrench into the ft-lb used on lug-nut charts and engine…
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Inches to yard conversion
36 inches is exactly 1 yard: divide a tape-measure reading by thirty-six to order fabric, mark a sports field, plan a garden bed or check a construction takeoff…
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Joules to volts converter
12 joules carried by 2 coulombs is 6 volts: enter the energy and the charge and get the potential difference by dividing one by the other, the exact SI…
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kg/cm² to PSI converter
1 kgf/cm² is 14.22334330712 psi: turn the reading on a hydraulic ram, a compressor nameplate or a tyre pump into the pounds per square inch used on US gauges…
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KG to gallons converter
10 kg of a liquid at 2 kg per gallon is 5 gallons: divide a weighed mass by the density from your certificate or data sheet and get the volume in that same US…
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KG to liter converter
Divide a mass by the density of the substance and get its volume: 2 kg of water at 1 kg/L fill 2 L.
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KG to ounce converter
Turn kilograms into the ounces printed on US food labels and postal scales: 1 kg is 35.274 oz and 2 kg are 70.548 oz.
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Kilobytes to megabytes converter
Divide kilobytes by 1000 and read the size in megabytes: 1000 KB is 1 MB and 500 KB is half a megabyte.
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Kilometer converter
Enter one distance in kilometers and get meters, miles and feet together: 1 km is 1000 m, 0.621371192237 mi and 3280.839895013 ft.
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Kilometers to miles converter
Divide kilometers by exactly 1.609344 and get statute miles: a 5 km run is about 3.1069 miles and 100 km about 62.1371 miles.
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KM to feet converter
Multiply kilometers by 3280.839895 and get international feet: 1 km is 3280.839895 ft, built on the foot of exactly 0.3048 m.
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Knots to kph converter
Multiply knots by exactly 1.852 and read the speed in kph, the compact label used on instrument overlays and school worksheets: 10 knots are 18.52 kph.
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kPa to atm converter
Divide kilopascals by 101.325 and read standard atmospheres: 101.325 kPa is exactly 1 atm and 202.65 kPa is 2 atm.
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kPa to mmHg conversion
Turn kilopascals into millimeters of mercury with the exact atmosphere identity: 101.325 kPa are 760 mmHg, so 1 kPa is 7.500616827042 mmHg.
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KSI to PSI converter
Multiply ksi by exactly 1000 and get psi: 1 ksi is 1000 psi, because a kip is 1000 pounds-force over the same square inch.
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Land area converter
Compare parcels from deeds, leases and listings in square meters, hectares, acres or square feet: a hectare is exactly 10000 m² and an acre 4046.8564224 m².
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Lbs to g converter
Multiply pounds by exactly 453.59237 and get grams: 1 lb is 453.59237 g, fixed by the 1959 international agreement.
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Lbs to newton converter
Turn a force written in pounds-force, often typed as lbs, into newtons: 1 lbf is 4.4482216152605 N, the product of 0.45359237 kg and standard gravity of 9.80665…
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Lbs to PSI converter
Divide a force in pounds by the contact area in square inches and get psi: 100 lb over 10 in² is 10 psi, and 75 lb over 2.5 in² is 30 psi.
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Leet speak converter
Turn plain text into 1337 speak with one fixed table: Hello World becomes #3110 W0r1d and elite becomes 31173.
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Length units converter
Five everyday lengths, one exact answer: 1 meter is 3.280839895013 feet, not the rounded 3.28 that drifts on a long wall.
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Liters to cl converter
Read a liter amount on the centiliter scale of bottle labels and lab glassware: 1 L is exactly 100 cL, because centi means one hundredth by definition, with no…
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Lot size to acres converter
Read a square-foot lot size the way deeds and rural zoning record it: 43,560 square feet make exactly 1 acre, so the converter divides by that figure instead of…
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Lot size to square feet converter
Take the acres on a county roll or listing and get the square feet a permit or bid needs: 1 acre is exactly 43,560 square feet, so a half-acre lot is always…
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Lowercase to uppercase converter
Paste text and get it back in ALL CAPS: hello world becomes HELLO WORLD, with 10 letters changed and the space left alone.
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Meters to feet converter
Get the exact feet behind a metre reading: a 10.0584-metre storey comes out at exactly 33 feet, because the converter divides by 0.3048 instead of multiplying…
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MB to GB converter
Turn megabytes into gigabytes with the factor you actually mean: 1000 MB is 1 GB in decimal units, while 1024 MB make exactly 1 GiB in binary units.
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Mbps converter
A 100 Mbps plan equals 12.5 MB/s, the unit your download bar shows. Enter one speed in megabits per second and see megabytes, kilobits and bits per second side…
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MCG to ML converter
1000 mcg of a 1 mg/mL solution is exactly 1 ml. Enter the microgram mass and the labeled strength, and get the volume a syringe, dropper or pipette should…
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Mesh to micron converter
100 mesh opens at 150 microns, or 0.15 mm. Type a whole mesh count from a powder spec, sieve label or filter-cloth quote and read the opening from the US…
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Meter conversion
2.5 meters are 0.0025 km, 250 cm and 2500 mm, and the same entry also gives international feet and inches.
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Metric converter
2.5 km is 2500 m and 500 ml is 0.5 l. Choose the unit you have and the one you need among twelve metric units of length, mass and volume, and skip moving the…
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Metric to imperial conversion
1 kilogram is 2.204622621849 pounds and 1 litre is 0.219969248299 imperial gallons. Type a value, pick length, weight or volume, and get the figure for a UK…
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Metric to SAE converter
The closest SAE wrench to 13 mm is 1/2 inch, or 12.7 mm, 0.3 mm under the metric hex. Type the size from a bolt head or drawing and get the nearest sixteenth…
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Metric to standard converter
100 °C comes out as 212 °F and 1 m as 3.280839895013 ft. Enter a value and its metric unit, from millimetres to tonnes or kelvin, and get the one US customary…
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Mg to cc converter
500 mg of a 250 mg/mL solution is a 2 cc draw. Enter the milligram dose and the strength printed on the vial, and get the volume in cc for a syringe or dropper…
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MG to ML converter
500 mg of a 50 mg/mL suspension fills 10 ml. Enter the milligrams and the concentration from the label or certificate, and get the volume with no hidden water…
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mg to tablespoon converter
It takes 14786.76478125 mg of water to fill one US tablespoon of 14.78676478125 ml. Enter the milligrams and the density of your liquid, oil or syrup in g/mL…
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Micrometer conversion
1000 µm is 1 mm, 0.001 m, 0.03937007874 in and 1000000 nm. Enter a coating thickness, a feature size or a filter pore in micrometers and get all four lengths…
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Micron to mil conversion
25.4 microns are exactly 1 mil, and 100 microns about 3.937 mils. Turn a metric thickness from a powder-coat, film or plating spec into the mils US datasheets…
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Mil to mm conversion
10 mils are exactly 0.254 mm, and 1000 mils, one inch, are 25.4 mm. Turn a mil thickness from a US foil, film or coating sheet into the millimetres metric…
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Mile conversion
1 mile is exactly 1.609344 km, 1609.344 m, 1760 yards and 5280 feet. Enter a route, a training run or a trail length in miles and get all four distances at once…
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Military time converter
3:45 PM is 1545 in military time, and 12:01 AM is 0001. Enter the hour, minutes and AM or PM from a schedule and get the four-digit reading that duty rosters…
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Million to billion converter
1500 million is 1.5 billion: the figure in millions divided by 1000, nothing else. Use it for market-cap tables, budget briefs and pitch decks, with negatives…
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Million to lakh converter
Restate a figure quoted in millions as lakhs: 1 million is 10 lakhs, 2.5 million is 25 lakhs, and a negative change keeps its sign.
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Million to thousand converter
Turn a figure in millions into thousands by multiplying by exactly one thousand: 2 million is 2000 thousands and 3.5 million is 3500 thousands.
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Minute converter
Enter minutes and see seconds, hours and days together: 60 minutes is 3600 seconds, 1 hour and 0.041666666667 days.
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Minutes to days converter
Break a minute count into days, hours and leftover minutes, so 1500 minutes becomes 1 day and 1 hour, or 1.041666666667 days as a decimal.
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Minutes to hours converter
Divide minutes by 60 and see the answer two ways: 90 minutes is 1.5 decimal hours, or 1 hour and 30 minutes.
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Minutes to seconds converter
Multiply minutes by exactly 60 to get seconds: 1 minute is 60 seconds, 2 minutes are 120 and half a minute is 30.
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Minutes to years conversion
Divide a minute count by 525600 to see it in years: 525600 minutes is exactly 1 common year and 1051200 is 2.
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ML to cc converter
Millilitres and cubic centimetres are the same volume, so 250 ml is exactly 250 cc. Read a syringe, a pipette or an engine plate in either unit without a…
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